.mask_div{
	position: fixed;
	top: 0;
	left: 0;
	bottom: 0;
	right: 0;
	z-index: 1000;
	width:100%;
	height:100%;
	background: rgba(79,79,79,0.8);
	text-align: center;
	display:none;
}
.mask_main{
    position: absolute;
    top: 25%;
    left: 50%;
    /* margin-top:-3.5em; */
    margin-left:-42%; 
    width: 84%;
    height: 26%;
    background:#FFFFFF; 
	background-size: 100% 100%;	
    -webkit-border-radius: 0.3rem;
    border-radius: 0.3rem;
}
.mask_head {
	height: 5%;
	width: 100%;
	font-size: 10rem;
	position: relative;
	margin: 0;
}
.title {
	position: absolute;
	top: 40%; 
	left:45%;
	height: 50%;
	margin: 0;
}
.mask_body {
	height: 35%;
	font-size:1.2rem;
	padding-top: 6%;
	padding-left: 6%;
	padding-right: 6%;
	text-align:left;
	-webkit-box-sizing: content-box !important;
	-moz-box-sizing: content-box !important;
	box-sizing: content-box !important; 
}
.mask_body p{
	margin: 0;
	padding-top: 10%;
	text-align: center;
	font-size: 0.8rem;
	
}
.mask_footer {
	height:3rem;
	margin-top: 1rem;
	padding-bottom: 1rem;
}
.mask_footer button{
	height: 90%;
	width: 60%;
	background: #269ABC;
	border: none;
	color: white;
	font-size:1.1rem;
}